void draw_dia(int base, int space_c, int x, int y)//Ƿ
{
    int i, j;
    for (i = 0; i < 4; i++)
    {
        for (j = 0; j < 4; j++)
        {
            gotoxy(x + i, 2 * (y + j));
            if (dia[base][space_c].space[i][j] == 1)
                printf("■");
        }
    }
}
